I am one of those that has purchased the expensive key switch with both
mags on before contact. After reading this I'm wondering about going
the inexpensive way and sending it back. Anyone else out there with
this same solution? Just wondering before I install it.
Jeff
A258
Sanding primer on then off daily, but man what a smooth finish!
>
> Try the following:-
> !. With the choke out, and throttle closed, turn the engine over with
> the
> starter.
> 2. Switch a magneto switch on, and the engine just takes over.
> 3. Clearly the starter switch can now be released, and the second
> magneto
> switched in.
> You will find no kick back on the sprag clutch, so it should last
> forever.
>
> I used to start my 912s with both mag switches on before starting, and
> had
> the kick back. It does not happen now. Thanks go to William Mills for
> that
> tip, after he had spent 800 quid and three days replacing his sprag
> clutch.
> He told me that he probably would not have needed to do it if he had
> been
> able to take his own advice. His starter and mag. switches are not
> separate!
>
> The same seems to be true in reverse. To stop that nasty kick stop when
> switching off, pull back the revs to 1700, switch of one mag. When the
> revs
> drop back, switch off the other mag. I do it and get a nice soft engine
> stop. This may not work for everyone, but it works for me.
> Incidentally, I
> am still using an inexpensive gell 17ah battery,and the original
> starter
> after 285 hours
>
> Sadly, for those who have install those expensive all-in-one switches
> you
> can do either of these techniques, so you may have a difficult choice.
> New
> switches, or new sprag clutches.
>
> Hope that this helps. Best regards. Bryan G-BYSA
>
> ----- Original Message -----
> From: "Richard Holder" <rholder@avnet.co.uk>
> To: <europa-list@matronics.com>
> Subject: Europa-List: 912S starting
>
>
>> <rholder@avnet.co.uk>
>>
>> Continuing the saga of my completely-non-starting-912S.
>>
>> Well, I spent the morning stripping out the carbs. They were perfect
>> - no
>> dirt at all.
>>
>> My starting failures now seem to have joined the array of 912S problem
>> engines. It would seem that about 1 in 20 of these engines end up
>> with the
>> kick-back problem, and I've got one :-(
>>
>> I spoke to Jerry Davis of Lyndhurst and he had three suggestions
>> which can
>> be done in turn.
>>
>> 1. Fit a Red Top battery, which is designed to give a high starting
> current
>>
>> 2. Fit the Rotax solution which is a higher powered starter motor
>>
>> 3. Rebuild my sprag clutch.
>>
>> I have ordered #1 and to be certain it has the best chance of working
>> I
> will
>> initially test it on the firewall with really short leads.
>>
>> There is some doubt about the newer starter motor. I have heard that
>> it
>> won't fit and I have heard it will fit. I have a Classic fuselage
>> with the
>> XS firewall forward set-up. Has anyone got the dimensions of the
>> bigger
>> starter motor ? I have plenty of length available but little
>> additional
>> width. Better still - has anyone installed one of these starter
>> motors ?
> Did
>> it come with a new support strap, or did it use the original (implying
> that
>> it is the same diameter)
>>
>> I have removed the blanking plate on the back of the engine. Access
>> to the
>> flywheel is quite reasonable.
>>
>> Can the starter motor be removed and replaced without removing the
>> engine
> ?
>> Can the flywheel be removed in situ ? Can the sprag clutch be done in
>> situ
>> after removing the flywheel ? Loads of questions - sorry.
>>
>> Does anyone have a manual which gives details ? In have the "Rotax
>> Maintenance" manual but that only covers routine maintenance like oil
>> changes. Is there a workshop manual which would give a breakdown of
>> how
> the
>> flywheel and sprag clutch interact ?
>>
>> I am sure there isn't a Haynes manual for it :-)
>>
>> The manual I have talks of "the crankshaft locking screw (part no 240
>> 880)
>> which is part of the standard tool kit supplied with each engine".
>> Does
>> anyone HAVE one of these. I don't remember seeing it !
>>
>> Writing with a disfunctional aircraft
>>
>> Richard
>> Richard F.W. Holder 01279 842804 (POTS)
>> Bell House, Bell Lane, 01279 842942 (fax)
>> Widford, Ware, Herts, 07860 367423 (mobile)
>> SG12 8SH email : rholder@avnet.co.uk
>> Europa Classic Tri-gear : G-OWWW, High Cross
>> PA-28-181 : Piper Archer : G-JANA, EGSG (Stapleford)
>>
>>
>
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